linux-kernel - [PATCH v3 2/3] iio: light: lm3533-als: Print error message on invalid resistance

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Message-ID: <1446249040-16552-2-git-send-email-bjorn.andersson@sonymobile.com>
Date:	Fri, 30 Oct 2015 16:50:39 -0700
From:	Bjorn Andersson <bjorn.andersson@...ymobile.com>
To:	Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Johan Hovold <jhovold@...il.com>,
	Peter Meerwald <pmeerw@...erw.net>
CC:	<linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH v3 2/3] iio: light: lm3533-als: Print error message on invalid resistance

Print an error message to indicate that invalid configuration data was
provided in the platform_data, rather than just aborting initialization.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...ymobile.com>
---

This patch can be picked independently of the other 2, but included in the
series for "completeness".

No changes since v1 in this patch.

 drivers/iio/light/lm3533-als.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/light/lm3533-als.c b/drivers/iio/light/lm3533-als.c
index 076bc46fad03..e56937c40a18 100644
--- a/drivers/iio/light/lm3533-als.c
+++ b/drivers/iio/light/lm3533-als.c
@@ -743,8 +743,10 @@ static int lm3533_als_set_resistor(struct lm3533_als *als, u8 val)
 {
 	int ret;
 
-	if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX)
+	if (val < LM3533_ALS_RESISTOR_MIN || val > LM3533_ALS_RESISTOR_MAX) {
+		dev_err(&als->pdev->dev, "invalid resistor value\n");
 		return -EINVAL;
+	};
 
 	ret = lm3533_write(als->lm3533, LM3533_REG_ALS_RESISTOR_SELECT, val);
 	if (ret) {
-- 
2.4.2

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